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A triple-band antenna using CPW-fed and meander-line for PCS/IMT-2000/Bluetooth applications

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3 Author(s)
Jung Woo Ha ; Sch. of Electron., Telecommun. & Comput. Eng., Hankuk Aviation Univ., South Korea ; Choon-Sik Cho ; Lee, J.W.

In this paper, the design procedure and electrical performance of a new triple-band antenna are reported and investigated. The operating frequency of the proposed antenna includes the PCS/IMT-2000/Bluetooth bands for the mobile communication system. It adopt the CPW-fed structure that is easily integrated with MMIC and fabricated in a simplified configuration. For the radiating elements, the proposed antenna employs a meander-line structure for size reduction. By adjusting the gap of the CPW ground and the feed line, the antenna achieves a good matching between the input impedance of the antenna and microstrip feed line. The resonant frequency was obtained by adjusting the length of the meander-line, the relative position of the CPW feed line and radiating elements (R). in addition, the width of the radiating elements and the size of the CPW ground play important roles in achieving increased input impedance bandwidth. 10dB return loss with the required bandwidth can be obtained by adjusting the gap of the meander-line. It is expected that the proposed antenna is small enough to be applicable for practical mobile communication systems.

Published in:

Antennas and Propagation Society International Symposium, 2005 IEEE  (Volume:1A )

Date of Conference:

3-8 July 2005